DIN EN 50216-4-2015 电力变压器和电抗器配件.第4部分:基本附件(接地终端、排放和填充设备、温度计套和轮组件);德文版本EN 50216-4-2015
Power transformer and reactor fittings - Part 4: Basic accessories (earthing terminal, drain and filling devices, thermometer pocket, wheel assembly); German version EN 50216-4:2015